package net.minecraft.command;

import com.google.gson.JsonParseException;
import java.util.List;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.network.play.server.S45PacketTitle;
import net.minecraft.server.MinecraftServer;
import net.minecraft.util.BlockPos;
import net.minecraft.util.ChatComponentProcessor;
import net.minecraft.util.IChatComponent;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

public class CommandTitle extends CommandBase {
	private static final Logger LOGGER = LogManager.getLogger();

	/**
	 * Gets the name of the command
	 */
	public String getCommandName() {
		return "title";
	}

	/**
	 * Return the required permission level for this command.
	 */
	public int getRequiredPermissionLevel() {
		return 2;
	}

	/**
	 * Gets the usage string for the command.
	 */
	public String getCommandUsage(ICommandSender sender) {
		return "commands.title.usage";
	}

	/**
	 * Callback when the command is invoked
	 */
	public void processCommand(ICommandSender sender, String[] args) throws CommandException {
		if (args.length < 2) {
			throw new WrongUsageException("commands.title.usage", new Object[0]);
		} else {
			if (args.length < 3) {
				if ("title".equals(args[1]) || "subtitle".equals(args[1])) {
					throw new WrongUsageException("commands.title.usage.title", new Object[0]);
				}

				if ("times".equals(args[1])) {
					throw new WrongUsageException("commands.title.usage.times", new Object[0]);
				}
			}

			EntityPlayerMP entityplayermp = getPlayer(sender, args[0]);
			S45PacketTitle.Type s45packettitle$type = S45PacketTitle.Type.byName(args[1]);

			if (s45packettitle$type != S45PacketTitle.Type.CLEAR && s45packettitle$type != S45PacketTitle.Type.RESET) {
				if (s45packettitle$type == S45PacketTitle.Type.TIMES) {
					if (args.length != 5) {
						throw new WrongUsageException("commands.title.usage", new Object[0]);
					} else {
						int i = parseInt(args[2]);
						int j = parseInt(args[3]);
						int k = parseInt(args[4]);
						S45PacketTitle s45packettitle2 = new S45PacketTitle(i, j, k);
						entityplayermp.playerNetServerHandler.sendPacket(s45packettitle2);
						notifyOperators(sender, this, "commands.title.success", new Object[0]);
					}
				} else if (args.length < 3) {
					throw new WrongUsageException("commands.title.usage", new Object[0]);
				} else {
					String s = buildString(args, 2);
					IChatComponent ichatcomponent;

					try {
						ichatcomponent = IChatComponent.Serializer.jsonToComponent(s);
					} catch (JsonParseException jsonparseexception) {
						Throwable throwable = ExceptionUtils.getRootCause(jsonparseexception);
						throw new SyntaxErrorException("commands.tellraw.jsonException",
								new Object[] { throwable == null ? "" : throwable.getMessage() });
					}

					S45PacketTitle s45packettitle1 = new S45PacketTitle(s45packettitle$type,
							ChatComponentProcessor.processComponent(sender, ichatcomponent, entityplayermp));
					entityplayermp.playerNetServerHandler.sendPacket(s45packettitle1);
					notifyOperators(sender, this, "commands.title.success", new Object[0]);
				}
			} else if (args.length != 2) {
				throw new WrongUsageException("commands.title.usage", new Object[0]);
			} else {
				S45PacketTitle s45packettitle = new S45PacketTitle(s45packettitle$type, (IChatComponent) null);
				entityplayermp.playerNetServerHandler.sendPacket(s45packettitle);
				notifyOperators(sender, this, "commands.title.success", new Object[0]);
			}
		}
	}

	public List<String> addTabCompletionOptions(ICommandSender sender, String[] args, BlockPos pos) {
		return args.length == 1 ? getListOfStringsMatchingLastWord(args, MinecraftServer.getServer().getAllUsernames())
				: (args.length == 2 ? getListOfStringsMatchingLastWord(args, S45PacketTitle.Type.getNames()) : null);
	}

	/**
	 * Return whether the specified command parameter index is a username parameter.
	 */
	public boolean isUsernameIndex(String[] args, int index) {
		return index == 0;
	}
}
